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Katherine M. Broadus
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Auroca, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Anionic preflocculation of fillers used in papermaking
Patent number
9,752,283
Issue date
Sep 5, 2017
Ecolab USA Inc.
Weiguo Cheng
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Preflocculation of fillers used in papermaking
Patent number
8,778,140
Issue date
Jul 15, 2014
Nalco Company
Weiguo Cheng
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Compositions and processes for paper production
Patent number
8,262,858
Issue date
Sep 11, 2012
Nalco Company
Prasad Y. Duggirala
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Compositions and processes for paper production
Patent number
7,914,646
Issue date
Mar 29, 2011
Nalco Company
Prasad Y. Duggirala
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
ANIONIC PREFLOCCULATION OF FILLERS USED IN PAPERMAKING
Publication number
20170254022
Publication date
Sep 7, 2017
NALCO COMPANY
Weiguo Cheng
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
ANIONIC PREFLOCCULATION OF FILLERS USED IN PAPERMAKING
Publication number
20150167245
Publication date
Jun 18, 2015
NALCO COMPANY
Weiguo Cheng
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PREFLOCCULATION OF FILLERS USED IN PAPERMAKING
Publication number
20130059949
Publication date
Mar 7, 2013
Weiguo Cheng
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
COMPOSITIONS AND PROCESSES FOR PAPER PRODUCTION
Publication number
20110174455
Publication date
Jul 21, 2011
Prasad Y. Duggirala
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD OF PRODUCING A PRINT MEDIUM
Publication number
20110151151
Publication date
Jun 23, 2011
Prasad Y. Duggirala
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
METHOD FOR IMPROVING THE PERFORMANCE OF OPTICAL BRIGHTENING AGENTS
Publication number
20110008637
Publication date
Jan 13, 2011
Katherine M. Broadus
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Compositions and processes for paper production
Publication number
20080017337
Publication date
Jan 24, 2008
Prasad Y. Duggirala
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE